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224885389 is a prime number
BaseRepresentation
bin11010110011101…
…11101010001101
3120200011100202111
431121313222031
5430032313024
634152024021
75400331351
oct1531675215
9520140674
10224885389
11105a3a7a3
1263392011
133778b2a1
1421c1d461
1514b22a94
hexd677a8d

224885389 has 2 divisors, whose sum is σ = 224885390. Its totient is φ = 224885388.

The previous prime is 224885383. The next prime is 224885417. The reversal of 224885389 is 983588422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 91298025 = 11558^2 + 9555^2 .

It is a cyclic number.

It is not a de Polignac number, because 224885389 - 213 = 224877197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224885383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112442694 + 112442695.

It is an arithmetic number, because the mean of its divisors is an integer number (112442695).

Almost surely, 2224885389 is an apocalyptic number.

It is an amenable number.

224885389 is a deficient number, since it is larger than the sum of its proper divisors (1).

224885389 is an equidigital number, since it uses as much as digits as its factorization.

224885389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 49.

The square root of 224885389 is about 14996.1791467027. The cubic root of 224885389 is about 608.1169098318.

The spelling of 224885389 in words is "two hundred twenty-four million, eight hundred eighty-five thousand, three hundred eighty-nine".